Home / 3,909,886.83-5,395,591.73-2,191,040.91

Finding the Fourth Proportional to 3,909,886.83, 5,395,591.73 and 2,191,040.91

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Solution

The fourth proportional to 3,909,886.83, 5,395,591.73 and 2,191,040.91 is: 3,023,607.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,886.83 : 5,395,591.73 = 2,191,040.91 : x
  2. Step 2: Convert to fraction form
    3,909,886.83/5,395,591.73 = 2,191,040.91/x
  3. Step 3: Cross multiply
    3,909,886.83x = 5,395,591.73 × 2,191,040.91
  4. Step 4: Simplify right side
    3,909,886.83x = 11,821,962,214,087.68
  5. Step 5: Solve for x
    x = 11,821,962,214,087.68/3,909,886.83
  6. Step 6: Final answer
    x = 3,023,607.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.